item:PVC reducing reducer pipe fitting size:1/2"~16" working pressure:PN16,PN10,PN6bar working temperature:-20~76 degree 1-part name:PVC reducing reducer pipe fitting2-optional material: CPVC/UPVC/PVDF/RPP/PPH4-connection: socket5-working environment:petroleum,alkaline,chemical fiber,pesticide,light industry,sewage disposal.water supply system